as long as

という条件で、さえすれば

ある条件が満たされる場合に限り、可能または許されることを示す。

やさしい英語で： Used to say that something is possible or allowed only if a condition is met.

• You can stay as long as you're quiet.
• I'll help as long as you listen.
• We can go tomorrow as long as it doesn't rain.

使い方： as long as + clause (You can borrow my bike as long as you bring it back.)

類義語： provided that, so long as, if

よく使う表現： as long as safe, as long as permitted

間ずっと、せっかくいるのだから

ある状態が続く間を表す。今の状況を理由として示すこともある。

やさしい英語で： During the whole time that something is true; sometimes used to give a reason based on the present situation.

• I'll stay as long as you need me.
• She loved music as long as she lived.
• As long as you're here, you could help us pack.

使い方： as long as + clause (I'll look after the dog as long as you're away.)

類義語： while, for as long as, since

よく使う表現： as long as possible, as long as necessary

という条件で、さえすれば

ある条件が満たされれば、物事が実現できることを示す。

やさしい英語で： Used to say that something can happen if a particular condition is met.

• I'll come as long as you're there.
• We can play outside as long as we stay nearby.
• She agreed to lend it as long as I returned it soon.

使い方： as long as + clause (You may use the room as long as you leave it tidy.)

類義語： provided that, so long as, if

よく使う表現： as long as safe, as long as permitted

と同じくらい長い、もの間

長さや期間を比べたり、予想外に長い時間がかかることを示したりする。

やさしい英語で： Used to compare lengths or times, or say that something may last a surprisingly long time.

• Your scarf is as long as mine.
• We waited as long as two hours.
• The new path is as long as the old one.

使い方： as long as + length or duration (The journey can take as long as six hours.); as long as someone/something (This rope is as long as that one.)

よく使う表現： as long as mine, as long as yours